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HIGH · 7.5

CVE-2020-7491

**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy debug port account in TCMs installed in Tricon system versions 10.2.0 through 10.5.3 is visible on the network and could allow inappropriate access. Th...

Vulnerability Description

**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy debug port account in TCMs installed in Tricon system versions 10.2.0 through 10.5.3 is visible on the network and could allow inappropriate access. This vulnerability was remediated in TCM version 10.5.4.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
Schneider-ElectricTricon Tcm 4351 Firmware>= 10.2.0, < 10.5.4
Schneider-ElectricTricon Tcm 4351-
Schneider-ElectricTricon Tcm 4352 Firmware>= 10.2.0, < 10.5.4
Schneider-ElectricTricon Tcm 4352-
Schneider-ElectricTricon Tcm 4351A Firmware>= 10.2.0, < 10.5.4
Schneider-ElectricTricon Tcm 4351A-
Schneider-ElectricTricon Tcm 4351B Firmware>= 10.2.0, < 10.5.4
Schneider-ElectricTricon Tcm 4351B-
Schneider-ElectricTricon Tcm 4352A Firmware>= 10.2.0, < 10.5.4
Schneider-ElectricTricon Tcm 4352A-
Schneider-ElectricTricon Tcm 4352B Firmware>= 10.2.0, < 10.5.4
Schneider-ElectricTricon Tcm 4352B-
Schneider-ElectricTristation 1131 Firmware>= 1.0.0, <= 4.9.0
Schneider-ElectricTristation 1131-

References

FAQ

What is CVE-2020-7491?

CVE-2020-7491 is a vulnerability with a CVSS score of 7.5 (HIGH). **VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy debug port account in TCMs installed in Tricon system versions 10.2.0 through 10.5.3 is visible on the network and could allow inappropriate access. Th...

How severe is CVE-2020-7491?

CVE-2020-7491 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-7491?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Tricon Tcm 4351 Firmware, Schneider-Electric Tricon Tcm 4351, Schneider-Electric Tricon Tcm 4352 Firmware, Schneider-Electric Tricon Tcm 4352, Schneider-Electric Tricon Tcm 4351A Firmware.